From 190da1cd0c221438c563b5b605ff811e9075e210 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Wed, 23 Aug 2006 23:20:30 +0000
Subject: sync with psm: update errno handling to be the same on all arches

---
 libc/sysdeps/linux/common/bits/uClibc_errno.h | 46 +++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 libc/sysdeps/linux/common/bits/uClibc_errno.h

(limited to 'libc/sysdeps/linux/common/bits/uClibc_errno.h')

diff --git a/libc/sysdeps/linux/common/bits/uClibc_errno.h b/libc/sysdeps/linux/common/bits/uClibc_errno.h
new file mode 100644
index 000000000..9da9f8155
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/uClibc_errno.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+#ifndef _BITS_UCLIBC_ERRNO_H
+#define _BITS_UCLIBC_ERRNO_H 1
+
+#ifdef IS_IN_rtld
+# undef errno
+# define errno _dl_errno
+extern int _dl_errno; // attribute_hidden;
+#elif defined __UCLIBC_HAS_THREADS__
+# include <tls.h>
+# if USE___THREAD
+#  undef errno
+#  ifndef NOT_IN_libc
+#   define errno __libc_errno
+#  else
+#   define errno errno
+#  endif
+extern __thread int errno __attribute_tls_model_ie;
+# endif /* USE___THREAD */
+#endif /* IS_IN_rtld */
+
+#define __set_errno(val) (errno = (val))
+
+#ifndef __ASSEMBLER__
+extern int *__errno_location (void) __THROW __attribute__ ((__const__))
+# ifdef IS_IN_rtld
+	attribute_hidden
+# endif
+;
+#include <tls.h>
+#if USE___THREAD
+libc_hidden_proto(__errno_location)
+#endif
+
+/* We now need a declaration of the `errno' variable.  */
+# ifndef __UCLIBC_HAS_THREADS__
+/*extern int errno;*/
+libc_hidden_proto(errno)
+# endif
+#endif /* !__ASSEMBLER__ */
+
+#endif
-- 
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